16132749969 has 16 divisors (see below), whose sum is σ = 24602175360. Its totient is φ = 9211612800.

The previous prime is 16132749943. The next prime is 16132749973. The reversal of 16132749969 is 96994723161.

It is not a de Polignac number, because 16132749969 - 2⁵ = 16132749937 is a prime.

It is a super-2 number, since 2×16132749969² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16132749469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267924 + ... + 322565.

It is an arithmetic number, because the mean of its divisors is an integer number (1537635960).

Almost surely, 2^16132749969 is an apocalyptic number.

It is an amenable number.

16132749969 is a deficient number, since it is larger than the sum of its proper divisors (8469425391).

16132749969 is a wasteful number, since it uses less digits than its factorization.

16132749969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591800.

The product of its digits is 4408992, while the sum is 57.

The spelling of 16132749969 in words is "sixteen billion, one hundred thirty-two million, seven hundred forty-nine thousand, nine hundred sixty-nine".